CVE-2020-5901
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site...
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user is logged in as admin this could result in a complete compromise of the system.
Attack profile
How easy it is to exploit
- Attack vector
- Network
- Complexity
- Low
- Privileges needed
- None
- User interaction
- Required
What an attacker can affect
- Confidentiality
- High
- Integrity
- High
- Availability
- High
Exploit likelihood
What each source reports
NVD Score used
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user is logged in as admin this could result in a complete compromise of the system.
- Record
CVE-2020-5901- CVSS 3.1
- 9.6 Critical
CVSS:3.1/AV:N/AC:L/PR:N/UI:R/S:C/C:H/I:H/A:H - CVSS 2.0
- 9.3 High
AV:N/AC:M/Au:N/C:C/I:C/A:C - Weakness
- CWE-79
- Updated
- 2026-11-02
CVE List No score
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user is logged in as admin this could result in a complete compromise of the system.
- Record
CVE-2020-5901- Updated
- 2026-11-02
EUVDEUVD-2020-27055 No score
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user is logged in as admin this could result in a complete compromise of the system.
- Record
EUVD-2020-27055- Updated
- 2026-11-03
GitHub AdvisoriesGHSA-j2cc-c3x7-54xh No score
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site...
In NGINX Controller 3.3.0-3.4.0, undisclosed API endpoints may allow for a reflected Cross Site Scripting (XSS) attack. If the victim user is logged in as admin this could result in a complete compromise of the system.
- Record
GHSA-j2cc-c3x7-54xh- Updated
- 2026-11-02
Affected products
History
| Recorded | Changed | Sources |
|---|---|---|
| aliases | EUVD | |
| first indexed | CVE List, GitHub Advisories, NVD |
Dates are when Every CVE recorded each change. Upstream dates may differ.
In short
CVE-2020-5901 is a critical vulnerability (CVSS 9.6) in F5 Nginx Controller, published July 1, 2020. No source lists public exploit code. EPSS puts the chance of exploitation in the next 30 days at 1.47%, the 73rd percentile. No source names a fixed version.